Question 429037
Let s be the amount of Soybean and c is the amount of cornmeal
The total is 320 lbs: s + c = 320

The mixture is 0.16s + 0.08c = 320(0.15)= 48

Solve this system:
s + c = 320
0.16s + 0.08c = 48

Hint: s = 280 lbs and c = 40 lbs

There you go!
If you need help with math 116/117 (algebra 2),let me know! John10